package com.itlzb.blog.auth.config;

import com.itlzb.blog.auth.entity.AuthJwtProperties;
import com.itlzb.blog.auth.filter.JwtAuthenticationTokenFilter;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;

import java.util.List;


@Configuration
public class SecurityConfig extends WebSecurityConfigurerAdapter {

    @Bean
    public PasswordEncoder passwordEncoder(){
        return new BCryptPasswordEncoder();
    }

    @Autowired
    private AuthenticationEntryPoint authenticationEntryPoint;

    @Autowired
    JwtAuthenticationTokenFilter jwtAuthenticationTokenFilter;

    @Autowired
    private AuthJwtProperties jwtProperties;

    @Override
    protected void configure(HttpSecurity http) throws Exception {
        http
                //关闭csrf
                .csrf().disable()
                //不通过Session获取SecurityContext
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);

        List<String> skipValidUrl = jwtProperties.getSkipValidUrl();
        for (String url : skipValidUrl) {
//            允许匿名访问
            http.authorizeRequests().antMatchers(url).anonymous();
        }

        // 除上面外的所有请求全部需要鉴权认证
        http.authorizeRequests().anyRequest().authenticated();

        //添加过滤器
        http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);

//        //配置异常处理器
        http.exceptionHandling()
                //配置认证失败处理器
                .authenticationEntryPoint(authenticationEntryPoint);
//                .accessDeniedHandler(accessDeniedHandler);

        //允许跨域
        http.cors();
    }

//    @Override
//    protected void configure(HttpSecurity http) throws Exception {
//        http
//                //关闭csrf
//                .csrf().disable()
//                //不通过Session获取SecurityContext
//                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS)
//                .and()
//                .authorizeRequests()
//                // 对于登录接口 允许匿名访问
//                .antMatchers("/login").permitAll()
//                // 除上面外的所有请求全部需要鉴权认证
//                .anyRequest().authenticated();
//
//
//        //添加过滤器
//        http.addFilterBefore(jwtAuthenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
//
////        //配置异常处理器
//        http.exceptionHandling()
//                //配置认证失败处理器
//                .authenticationEntryPoint(authenticationEntryPoint);
////                .accessDeniedHandler(accessDeniedHandler);
//
//        //允许跨域
//        http.cors();
//    }

    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }


}
